From 179378eca92dedee1057773eb8e032291419f30a Mon Sep 17 00:00:00 2001 From: "Michael I. Bushnell" Date: Mon, 31 Jan 1994 20:13:04 +0000 Subject: Formerly file-truncate.c.~2~ --- libdiskfs/file-set-size.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libdiskfs/file-set-size.c (limited to 'libdiskfs/file-set-size.c') diff --git a/libdiskfs/file-set-size.c b/libdiskfs/file-set-size.c new file mode 100644 index 00000000..be6c520f --- /dev/null +++ b/libdiskfs/file-set-size.c @@ -0,0 +1,32 @@ +/* libdiskfs implementation of fs.defs: file_truncate + Copyright (C) 1992, 1993, 1994 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "priv.h" + +/* Implement file_truncate as described in . */ +error_t +diskfs_S_file_truncate (struct protid *cred, + int size) +{ + CHANGE_NODE_FIELD (cred, + ({ + if (!(cred->po->openstat & O_WRITE)) + err = EINVAL; + else + diskfs_truncate (np, size); + })); +} -- cgit v1.2.3